Question

Arata ca urmatoarele numere sunt patrate perfecte:
A) 2^19×8^17
B) 3^5×27^11
C) 2^5×6^11×3^7
D)5^4n+1×125×2n+3

Answer 1

2^19x(2^3)^19=2^19x2^51=2^(19+51)=2^70=(2^35)^2 adica patrat perfect